/*
 * Copyright (C) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

export interface iface {
  n: number;
  s: string;
}

interface B {
  baseMethod(): string;
}

interface A extends B {
  derivedMethod(): string;
}

export class DerivedClass implements A {
  baseMethod(): string {
    return 'aaa'
  }

  derivedMethod(): string {
    return 'bbb'
  }
}